TY - RPRT TI - Geologic map and cross sections of the La Veta Pass, La Veta, and Ritter Arroyo quadrangles, Huerfano and Costilla counties, Colorado AU - J. D. Vine PY - 1974 DO - 10.3133/i833 UR - https://pubs.usgs.gov/publication/i833 ID - i833 ER -